SWELL (local windswell, not chop) does not generate properly from 15 miles from point of impact. If that was the case, you'd have 7 second period swell on lake champlain and surfing there! I don't think they have rideable waves like nj last time I checked.
Micah, can you please explain to this genius that you can't generate a swell within a 15 miles window between the island and the mainland. And obviously any swell, which is generated outside of there would be shadowed/blocked by the islands as well. It would be a disaster. I can't believe I'm having an argument with this guy about this.
You would not get "local windswell". Swell, 7 seconds or greater has to form over an open ocean. You would get chop. The same thing you get on the north shore of long island when a straight due north wind blows over long island sound. That is NOT swell. Not local windswell. It's CHOP. This is not a hard concept to understand.